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examples/save-to-disk/README.md

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+# save-to-disk
+save-to-disk is a simple application that shows how to record your webcam/microphone using Pion WebRTC and save VP8/Opus to disk.
+
+If you wish to save VP9 instead of VP8 you can just replace all occurences of VP8 with VP9 in [main.go](https://github.com/pion/example-webrtc-applications/tree/main/save-to-disk/main.go).
+
+If you wish to save VP8/Opus inside the same file see [save-to-webm](https://github.com/pion/example-webrtc-applications/tree/main/save-to-webm)
+
+If you wish to save AV1 instead see [save-to-disk-av1](https://github.com/pion/webrtc/tree/main/examples/save-to-disk-av1)
+
+You can then send this video back to your browser using [play-from-disk](https://github.com/pion/webrtc/tree/main/examples/play-from-disk)
+
+## Instructions
+### Download save-to-disk
+```
+go install github.com/pion/webrtc/v4/examples/save-to-disk@latest
+```
+
+### Open save-to-disk example page
+[jsfiddle.net](https://jsfiddle.net/2nwt1vjq/) you should see your Webcam, two text-areas and two buttons: `Copy browser SDP to clipboard`, `Start Session`.
+
+### Run save-to-disk, with your browsers SessionDescription as stdin
+In the jsfiddle the top textarea is your browser's Session Description. Press `Copy browser SDP to clipboard` or copy the base64 string manually.
+We will use this value in the next step.
+
+#### Linux/macOS
+Run `echo $BROWSER_SDP | save-to-disk`
+#### Windows
+1. Paste the SessionDescription into a file.
+1. Run `save-to-disk < my_file`
+
+### Input save-to-disk's SessionDescription into your browser
+Copy the text that `save-to-disk` just emitted and copy into second text area
+
+### Hit 'Start Session' in jsfiddle, wait, close jsfiddle, enjoy your video!
+In the folder you ran `save-to-disk` you should now have a file `output-1.ivf` play with your video player of choice!
+> Note: In order to correctly create the files, the remote client (JSFiddle) should be closed. The Go example will automatically close itself.
+
+Congrats, you have used Pion WebRTC! Now start building something cool